ARD15112Q RF Switch IC SPDT 18GHz Equivalent & Substitute Parts

Part Overview

The ARD15112Q is an RF Switch IC featuring Single-Pole Double-Throw (SPDT) topology designed for general-purpose RF applications up to 18 GHz. Manufactured by Panasonic Electric Works, this active product operates at 12V supply voltage with 50Ohm impedance and module pin contact packaging. Finding equivalent and substitute parts is necessary for supply chain continuity, inventory optimization, and design flexibility when the primary part becomes unavailable or when alternative voltage specifications better suit system requirements.

Key Parameters

Parameter	Value
Circuit Type	SPDT (Single-Pole Double-Throw)
RF Type	General Purpose
Topology	Reflective
Frequency Range	0 Hz ~ 18 GHz
Isolation	60 dB (Min)
Insertion Loss	0.5 dB (Max)
Test Frequency	18 GHz
Impedance	50 Ohm
Voltage - Supply	12V
Operating Temperature	-55°C ~ 85°C
Package / Case	Module, Pin Contacts
RoHS Status	RoHS Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
ECCN	EAR99
HTSUS	8536.49.0055

Substitute Part Grouping Explanation

Substitution eligibility for the ARD15112Q is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

Circuit Type: SPDT
RF Type: General Purpose
Topology: Reflective
Frequency Range: 0 Hz ~ 18 GHz
Isolation: 60 dB (Min)
Insertion Loss: 0.5 dB (Max)
Test Frequency: 18 GHz
Impedance: 50 Ohm
Operating Temperature: -55°C ~ 85°C
Package / Case: Module, Pin Contacts

Allowable Variation:

Voltage - Supply: May differ based on system design requirements
RoHS Status: Both RoHS Compliant and ROHS3 Compliant are acceptable
Manufacturer: Panasonic Electric Works (all substitutes)

The ARD10012 and ARD15105 meet all mandatory electrical and mechanical parameters while operating at different supply voltages (12V and 5V respectively), making them valid substitutes contingent upon system voltage compatibility.

Parameter Comparison

Parameter	ARD15112Q	ARD10012	ARD15105
Manufacturer	Panasonic Electric Works	Panasonic Electric Works	Panasonic Electric Works
Circuit Type	SPDT	SPDT	SPDT
RF Type	General Purpose	General Purpose	General Purpose
Topology	Reflective	Reflective	Reflective
Frequency Range	0 Hz ~ 18 GHz	0 Hz ~ 18 GHz	0 Hz ~ 18 GHz
Isolation	60 dB (Min)	60 dB (Min)	60 dB (Min)
Insertion Loss	0.5 dB (Max)	0.5 dB (Max)	0.5 dB (Max)
Test Frequency	18 GHz	18 GHz	18 GHz
Impedance	50 Ohm	50 Ohm	50 Ohm
Voltage - Supply	12V	12V	5V
Operating Temperature	-55°C ~ 85°C	-55°C ~ 85°C	-55°C ~ 85°C
Package / Case	Module, Pin Contacts	Module, Pin Contacts	Module, Pin Contacts
RoHS Status	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
ECCN	EAR99	EAR99	EAR99
HTSUS	8536.49.0055	8536.49.0055	8536.49.0055
Product Status	Active	Active	Active
Current Inventory	937 Pcs	699 Pcs	774 Pcs

Engineering Selection Recommendations

ARD10012 Selection Criteria: The ARD10012 is a direct parametric equivalent to the ARD15112Q, maintaining identical 12V supply voltage and all RF performance specifications. Both parts carry active product status and meet RoHS compliance requirements (RoHS Compliant vs. ROHS3 Compliant). Selection of ARD10012 is appropriate when 12V supply voltage is required and no design modifications are acceptable.

ARD15105 Selection Criteria: The ARD15105 matches all RF performance parameters and mechanical specifications but operates at 5V supply voltage. This part is suitable for systems designed around 5V logic and power distribution. ARD15105 carries ROHS3 Compliant status and includes REACH Unaffected certification. Selection requires confirmation that the 5V supply voltage is compatible with the target application's power architecture.

Compliance Considerations: All three parts maintain EAR99 export classification and identical HTSUS coding. RoHS compliance is satisfied by both RoHS Compliant and ROHS3 Compliant designations. MSL rating of 1 (Unlimited) indicates no moisture sensitivity constraints for storage or handling.

Frequently Asked Questions (FAQ)

Q: Can ARD10012 be used as a direct replacement for ARD15112Q? A: Yes. The ARD10012 maintains identical supply voltage (12V), RF performance specifications, frequency range, impedance, and package configuration. Both parts are active products with equivalent electrical characteristics.

Q: What is the primary difference between ARD15105 and ARD15112Q? A: The ARD15105 operates at 5V supply voltage while the ARD15112Q operates at 12V. All other electrical parameters, RF performance, frequency range, impedance, and package specifications are identical. Selection depends on system voltage requirements.

Q: Are all three parts pin-compatible? A: All three parts use Module, Pin Contacts packaging. Pin compatibility must be verified against the specific application schematic and PCB layout, as package designation alone does not guarantee mechanical interchangeability.

Q: Do RoHS Compliant and ROHS3 Compliant parts have different environmental restrictions? A: Both designations indicate compliance with lead-free and hazardous substance restrictions. ROHS3 represents the current regulatory standard. Both are acceptable for applications requiring RoHS compliance.

Q: What inventory levels are available for each part? A: ARD15112Q: 937 Pcs; ARD10012: 699 Pcs; ARD15105: 774 Pcs. Inventory levels are current at time of reference and subject to change.

Q: Can ARD15105 be used in a 12V system? A: No. The ARD15105 is specified for 5V supply voltage operation. Using it in a 12V system would exceed rated voltage specifications and cause component failure.

Q: Are there any export restrictions on these parts? A: All three parts carry EAR99 classification, indicating they are not subject to enhanced export controls. Standard export documentation requirements apply based on destination country regulations.

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